| NWS Forecast for: Mellette County Issued by: National Weather Service Rapid City, SD Last Update: 953 AM CDT Thu May 28 2026 | |
| Rest Of Today: Mostly cloudy. Highs in the upper 80s. Southeast winds 5 to 10 mph with gusts up to 30 mph, increasing to 15 to 20 mph with gusts up to 40 mph this afternoon. Tonight: Mostly cloudy. A slight chance of showers after midnight. Lows around 60. South winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent. Friday: Partly cloudy. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Windy with highs in the mid 80s. Southeast winds 15 to 25 mph, increasing to 25 to 35 mph in the afternoon. Chance of rain 40 percent. Friday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Breezy with lows in the upper 50s. Southeast winds 20 to 30 mph, diminishing to 15 to 20 mph after midnight. Chance of rain 40 percent. Saturday: Mostly cloudy with a chance of showers in the morning, then partly cloudy with showers with a chance of thunderstorms in the afternoon. Windy with highs in the lower 80s. Southeast winds 15 to 25 mph, increasing to 25 to 35 mph in the afternoon. Chance of rain 80 percent. Saturday Night: Mostly cloudy. Showers with thunderstorms likely in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Breezy with lows in the mid 50s. Chance of rain 80 percent. Sunday: Partly cloudy in the morning, then mostly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. Sunday Night: Mostly clear with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 50s. Chance of rain 50 percent. Monday: Partly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40 percent. Monday Night: Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the mid 50s. Chance of rain 30 percent. Tuesday: Mostly cloudy with a slight chance of showers in the morning, then partly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 30 percent. Tuesday Night: Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the mid 50s. Chance of rain 30 percent. Wednesday: Partly cloudy. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. | |
| Zone Forecast: Mellette County | |
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